US Patent: 2,713,758
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Boring Bars
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Patentee:
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Charles F. Norkus (exact or similar names) - South Bend, IN |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jun. 28, 1951 |
Granted: |
Jul. 26, 1955 |
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Joel Havens
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Description: |
H. O. Clayton - patent attorney
This invention relates to boring machines and more particularly to a lapping tool or lapping element holder and insert adapted to be detachably mounted on and forming a part of a boring bar. The boring bar may, for example, be employed to hone the interior surface of & shock strut cylinder, said cylinder being one of the principal parts of the shock strut mechanism of an airplane. An object of my invention is to provide a simple, effective, and long wearing boring bar element as referred to above, said element adapted to be detachably mounted on and forming a part of a boring bar. The most important object of my invention is to provide a long wearing lapping element holder and insert for a boring bar, said element being distinguished by the provision of a detachable insert of relatively hard and long lasting material.
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